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All Journal Open Access Indonesia Journal of Social Sciences Open Access Indonesia Journal of Social Sciences
Fahmi Roy Dalimunthe
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Humanities Economics, Econometrics & Finance Education Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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Optimal Portfolio Analysis with Solver Application in Wetland Plantation Subsector Sadikin, Ali; Fahmi Roy Dalimunthe; Nadia Zulfati Fairuz; Dina Nugraheni
Open Access Indonesia Journal of Social Sciences Vol. 6 No. 6 (2023): Open Access Indonesia Journal of Social Sciences
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/oaijss.v6i6.189

Abstract

Investments made by investors should submit to a Markowitz portfolio, where the goal is to get an optimal portfolio investment from several existing stocks. The goal of a portfolio is to maximize stock returns and minimize risk. The object of this study is plantation sub-sector companies listed on the IDX for the 2018-2022 period. The population is 19 companies in the plantation sub-sector, while the sampling method is 6 companies using purposive sampling. Through this research, investors are expected to be able to see which stock portfolio is the most optimal of several efficient portfolios in the agricultural sector. In addition, the plantation sub-sector supports government programs on food security for industry and consumers and increases non-oil and gas income, and increases the income of all relevant stakeholders, which in turn can increase the income and welfare of the Indonesian people.
The Factors That Influence the Level of Underpricing of Shares in Non-Financial Companies That Conduct IPO (Initial Public Offering) on the Indonesian Stock Exchange Minawati Dewi; Sadikin, Ali; Fahmi Roy Dalimunthe
Open Access Indonesia Journal of Social Sciences Vol. 7 No. 1 (2024): Open Access Indonesia Journal of Social Sciences
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/oaijss.v7i1.208

Abstract

Underpricing is also often defined as the positive difference between the share price in the secondary market and the share price in the primary market or during the initial public offering (IPO). This price difference is known as the initial return (IR) or positive return for investors. Underpricing is a common phenomenon that often occurs in the capital market and when companies conduct an initial public offering (IPO). This research was conducted to analyse the factors that affect the level of stock underpricing in non-financial companies. These factors are Return on assets, financial leverage, underwriter reputation, and company size. The population of this study is non-financial companies that conducted IPOs on the Indonesia Stock Exchange in 2015-2019. Sampling using purposive sampling, namely sample selection with certain criteria, so that 30 companies were obtained as research samples. The research method uses multiple linear regression, classical assumption test, t test and f test. The results showed that only company size has a significant effect on underpricing. While return on assets, financial leverage and underwriter reputation have no significant effect on underpricing. Simultaneously and significantly return on assets, financial leverage, underwriter reputation and company size affect underpricing.
Optimal Portfolio Analysis with Solver Application in Wetland Plantation Subsector Sadikin, Ali; Fahmi Roy Dalimunthe; Nadia Zulfati Fairuz; Dina Nugraheni
Open Access Indonesia Journal of Social Sciences Vol. 6 No. 6 (2023): Open Access Indonesia Journal of Social Sciences
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/oaijss.v6i6.189

Abstract

Investments made by investors should submit to a Markowitz portfolio, where the goal is to get an optimal portfolio investment from several existing stocks. The goal of a portfolio is to maximize stock returns and minimize risk. The object of this study is plantation sub-sector companies listed on the IDX for the 2018-2022 period. The population is 19 companies in the plantation sub-sector, while the sampling method is 6 companies using purposive sampling. Through this research, investors are expected to be able to see which stock portfolio is the most optimal of several efficient portfolios in the agricultural sector. In addition, the plantation sub-sector supports government programs on food security for industry and consumers and increases non-oil and gas income, and increases the income of all relevant stakeholders, which in turn can increase the income and welfare of the Indonesian people.
The Factors That Influence the Level of Underpricing of Shares in Non-Financial Companies That Conduct IPO (Initial Public Offering) on the Indonesian Stock Exchange Minawati Dewi; Sadikin, Ali; Fahmi Roy Dalimunthe
Open Access Indonesia Journal of Social Sciences Vol. 7 No. 1 (2024): Open Access Indonesia Journal of Social Sciences
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/oaijss.v7i1.208

Abstract

Underpricing is also often defined as the positive difference between the share price in the secondary market and the share price in the primary market or during the initial public offering (IPO). This price difference is known as the initial return (IR) or positive return for investors. Underpricing is a common phenomenon that often occurs in the capital market and when companies conduct an initial public offering (IPO). This research was conducted to analyse the factors that affect the level of stock underpricing in non-financial companies. These factors are Return on assets, financial leverage, underwriter reputation, and company size. The population of this study is non-financial companies that conducted IPOs on the Indonesia Stock Exchange in 2015-2019. Sampling using purposive sampling, namely sample selection with certain criteria, so that 30 companies were obtained as research samples. The research method uses multiple linear regression, classical assumption test, t test and f test. The results showed that only company size has a significant effect on underpricing. While return on assets, financial leverage and underwriter reputation have no significant effect on underpricing. Simultaneously and significantly return on assets, financial leverage, underwriter reputation and company size affect underpricing.
Co-Authors Ali Sadikin Dina Nugraheni Minawati Dewi Nadia Zulfati Fairuz